20157+0440 A   386

Coord 2000	20157+0440		Discov num	A   386		Comp			Coord arcsec 2000	20 15 42.41 +04 39 42.6
Date first	1902		Date last	2000		Obs	8
Pa first	91		Pa last	83		P.A. Now (θ)	83°
Sep first	2.4		Sep last	2.8		Sep. Now (ρ)	2.8"
Mag pri	8.90		Mag sec	11.98		delta mag (ΔM)	3.08		Spectral class	F2 (yellow-white)
Pri motion ra	-009		Sec motion ra	+003
Pri motion dec	-001		Sec motion dec	-015
Notes

rPM=1.205 This double is not physical.

Precise pa	82.7		Precise sep	2.814		Constellation	Aquila		HIP	99867
Tycho2	0504-02198-1		Gaia DR2	91989395584		HD	192624		BD	BD+04 4393
Distance	105.37		Distance ly	343.72

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20157+0440	A 386		1991	7	83	2.8	8.90	11.98	F2		201542.41+043942.6
20157+0440	A 386		2000	8	83	2.8	8.90	11.98	F2		201542.41+043942.6

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